Question: When was Horatio Nelson built?
Paraphrase: When was Horatio Nelson built?
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q83235 wdt:P607 ?X . ?X wdt:P580 ?answer}
Answer: 1775-04-19T00:00:00Z, 1803-05-18T00:00:00Z, 1792-04-20T00:00:00Z